Properties of the Number 89009

Eighty-Nine Thousand Nine

Basics

Value: 89008 → 89009 → 89010

Parity: odd

Prime: Yes

Previous Prime: 89003

Next Prime: 89017

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 89009

Divisors: 1, 89009

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101101110110001

Octal: 255661

Duodecimal: 43615

Hexadecimal: 15bb1

Square: 7922602081

Square Root: 298.34376145647826

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers k such that (15^k - 1)/14 is prime. A6033

Primes in A153257. A140719

Primes having only {0, 8, 9} as digits. A385772

Consider the version of the Collatz or 3x+1 problem where x -> x/2 if·is even, x -> (3x+1)/2 if·is odd. Define the stopping time of·to be the number of steps needed to reach 1. Sequence gives the number of integers·with stopping time n. A60322

Primes having only {0, 5, 8, 9} as digits. A386081

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 6 king-move adjacent elements, with upper left element zero. A297986

Numbers n such that 2·p(n)+3, 2·p(n+1)+3, 2·p(n+2)+3, 2·p(n+3)+3 are consecutive primes, where p(i) denotes the i-th prime. A89009